This document provides a wiring diagram for the CD and cassette radio of a 2003 Ford Explorer. It describes the three connectors of the radio, including the power, speaker, and subwoofer wires. It provides details about the wire colors and their positive and negative functions. It also describes the subwoofer connector if it is installed.. Our comprehensive 2003 Ford Explorer Sport Trac radio wiring diagram shows all the radio wire harness colors, speaker wire colors, and speaker sizes. Use this head unit pinout guide to help with your car stereo installation or to troubleshoot radio wiring issues in your 2003 Ford Explorer Sport Trac.
The radio wiring diagram for the 2003 Ford Explorer includes information about the power wires, ground wires, speaker wires, and other connections. Each wire is labeled with its corresponding color code, so you can easily identify and connect them correctly.. The following information is currently not available: Stereo Antenna Trigger Wire Stereo Amp Trigger Wire Audio Front Speakers Size Audio Rear Speakers Size *If you know any of the above or any other missing information please use the comment box below to notify us.